Therm-a-Rest® - Sleeping Pads, Bags & Outdoor Comfort

TrailShot™ Pocket-Sized Water Filter

TrailShot™ Pocket-Sized Water Filter - Main image
TrailShot™ Pocket-Sized Water Filter - View 2TrailShot™ Pocket-Sized Water Filter - View 3TrailShot™ Pocket-Sized Water Filter - View 4TrailShot™ Pocket-Sized Water Filter - View 5TrailShot™ Pocket-Sized Water Filter - View 6
$49.66 $69.95 In stock

The TrailShot Pocket-Sized Water Filter from MSR is the smartest solution to clean water on fast-paced adventures. Designed for hikers and travelers who need reliable hydration without the bulk, this compact filter fits easily into a pocket or pack, ensuring you can drink safely from natural water sources wherever your journey takes you.

  • Pocket-sized design for easy portability on the trail
  • Fast and efficient filtration for quick hydration stops
  • Ideal for fast-paced adventures and minimalist packing
  • Trusted MSR brand quality for outdoor reliability
Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (4.8 / 5 · 5 reviews)

Harper ★★★★★

Filled my bottle from a muddy stream on day three and the water came out crystal clear with zero aftertaste — the squeeze mechanism is fast enough that I didn't even slow down. It's barely bigger than my thumb, so it lives in my hip pocket and I forget it's there until I need it.

Olivia J. ★★★★★

Took this on a two-week trip where I was refilling from streams daily, and the pocket-size form factor meant it lived in my hip belt the whole time. Filtration was fast enough that I never felt like I was waiting around, and the reliability gave me real peace of mind on sketchy water sources.

Timothy ★★★★★

Weighs next to nothing, so I stopped noticing it after ten minutes of hiking, but the real win is filling it straight from a muddy stream and getting clear water that doesn't taste like a pond. Took a few squeezes to get the hang of it, but the flow is solid for something this small.